How to take out the apple id on iphone 5s

You'll need to remember it, and regain access to it. There is no way to remove the iCloud account otherwise, its a security and antitheft feature, and it cannot be bypassed.

Start here: link-> If you forgot your Apple ID - Apple Support

then here: If you forgot your Apple ID password - Apple Support

Apple ID credentials are the same as iCloud.

Click->If you forgot your Apple ID password - Apple Support

Click->If you forgot your Apple ID - Apple Support